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Tips to buy the best Sunglass of our choice

Sunglasses are not only an accessory that allows you to look cool and do not squint in the bright sun. This is also a means of protection against ultraviolet rays which may not be the best way to affect the health of the eyes.According to studies, intense ultraviolet radiation from the sun contributes to the development of cataractswhich in turn is the main cause of blindness. Even single exposure to ultraviolet radiation on the eye can cause photo-keratitis, a strong inflammation of the cornea.

What to Remember When Choosing Points

Avoid the unpleasant consequences of being in the sun will help good sunglasses. Such a marking or a mark of UV 400 on glasses is the most important thing that should be looked at when buying glasses.Choose big sunlight goggles that close your eyes not only in front, but also on the sides.It does not matter if you choose glasses with yellow, blue or gray lenses. This does not affect the throughput of ultraviolet rays. However, some color glasses increase the contrast of vision which is very convenient. Lenses with polarization remove glare from reflective surfaces, for example from water. This is convenient when driving or relaxing on the beach but to protect the eyes from UV radiation, polarization has nothing to do.Good glasses with 100% protection from ultraviolet are both expensive and very cheap. When choosing glasses pay attention to these characteristics and you will not only have good glasses but also healthy eyes.

Rim and lens material

First, pay attention to the lens. What kind of glasses for sunglasses to choose. The very nature suggests the glass, behind which the mods are so chasing, is less scratched but only partially restrains the ultraviolet. But quality polymers like polycarbonate prevent the rays A and B from getting on the retina of the eye. Infrared rays delay only polarizing sunglasses and especially the classic image. Not all sunglasses are perfectly dark. Barrier for sunlight is not an intensive coloring of lenses. Even maximally darkened lenses without a protective filter from the ultraviolet damage the eyes even more than semi-transparent glasses. The fact is that behind the dark lenses the pupil involuntarily expands and literally absorbs harmful rays.

Conclusion: Protection from radiation

If you still cannot decide, then try to choose sunglasses by type of protection. The barrier factor and type of filter manufacturers point to a special insert that comes with the accessory. Additionally, some manufacturers note on the liner the conditions in which it is recommended to use glasses. The right choice of sunglasses will help understanding of all their characteristics. Seller’s optics salons often mention polarization, talking about the models of glasses for motorists and fans of beach holidays. In fact, the presence of a polarizing filter indicates that the lens is coated with a special coating, blocking glare and reflections.